Home / 6,994.20-10,491.42-1,800.12

Finding the Fourth Proportional to 6,994.20, 10,491.42 and 1,800.12

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Solution

The fourth proportional to 6,994.20, 10,491.42 and 1,800.12 is: 2,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.20 : 10,491.42 = 1,800.12 : x
  2. Step 2: Convert to fraction form
    6,994.20/10,491.42 = 1,800.12/x
  3. Step 3: Cross multiply
    6,994.20x = 10,491.42 × 1,800.12
  4. Step 4: Simplify right side
    6,994.20x = 18,885,814.97
  5. Step 5: Solve for x
    x = 18,885,814.97/6,994.20
  6. Step 6: Final answer
    x = 2,700.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.